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Re: [Chicken-users] Parsing HTML, best practice with Chicken
From: |
John Cowan |
Subject: |
Re: [Chicken-users] Parsing HTML, best practice with Chicken |
Date: |
Wed, 31 Dec 2014 21:41:21 -0500 |
User-agent: |
Mutt/1.5.20 (2009-06-14) |
mfv scripsit:
> I am still puzzled how undefined is generated. It can not come from the
>
> (if (string? str) ...
>
> clause. Or does it? I understand that you used 'and' and remove one
> redundant check with if. But what form produced the #undefined output?
The form "(if p t)" will return an undefined value if p is false.
--
John Cowan http://www.ccil.org/~cowan address@hidden
A few times, I did some exuberant stomping about, like a hippo auditioning
for Riverdance, though I stopped when I thought I heard something at
the far side of the room falling over in rhythm with my feet. --Joseph Zitt